The L1A1 Self-Loading Rifle, also known as the SLR (Self Loading Rifle), by the Canadian Army designation C1A1 (C1) or in the US as the "inch pattern" FAL.[nb 1] It is a British Commonwealth derivative of the Belgian FN FAL battle rifle (Fusil Automatique Léger ["Light Automatic Rifle"] produced by the Belgian armaments manufacturer Fabrique Nationale de Herstal [FN]). The L1A1 is produced under licence and has seen use in the Australian Army, Canadian Army, Indian Army, Jamaica Defence Force, Malaysian Army, New Zealand Army, Rhodesian Army, South African Defence Force and the British Armed Forces.